PW-1368 Upgrade components version to 3.0.0

PW-1385 Refresh payment methods on country change #461

we are not using them anymore
Use TEST and LIVE instead of CHECKOUT_ENVIRONMENT_URL_TEST and
CHECKOUT_ENVIRONMENT_URL_LIVE
Add styling for admin
Add component version number in the css files as well

Using environment in components instead of loadingContext
Rename functions for getCheckoutContextUrl to getCheckoutEnvironment
Update styling
Follow component response changes - instead of state.data remap values
to state.data.paymentMethod

Update Requests.php

PW-1417 Check issuers in the whole response detail object

PW-1405 Call to a member function getAdditionalInformation() on null

exists

PW-1269 Possibility for multiple terminals in Magento

Enable place order when there are terminals connected only
Require php library v2.1.0

PW-1396 Add separate port support for origin key retrieval

PW-1359 Bankaccount is missing on success page and backend

PW-1320 Force on latest patch version

PW-1273 Undefined index check in cc payment response PW-1349 getCurrentLocaleCode fallback bug

Fix for billing agreement undefined index in case of api response
misconfiguration
Fix undefined $store variable

Feature/3ds2

[PW-1330] only log onError as onComplete will always be executed

Fix Klarna line item values